Patents for Inventions

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Abridgments of Specifications : Class . ... The stop A1 keeps the platform in
position over the scale-pan g, and, when not in use, the platform is swnng back
aa shown. ... and a guide-roller p, throngh the stationary guide P to a second
guide-roller p, roller M1, and feed-drum H1 to a drum ... which cuts off the light
when the film is at rest, but, when the mechanism is actuated, motion is given to a
centrifugalanbsp;...

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Patents for Inventions

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Publisher

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- 1907

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